Overview

overview

10

Static

static

3

81aa5f2d6f...fb.exe

windows7-x64

10

81aa5f2d6f...fb.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    94s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 09:31

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General

  • Target

    81aa5f2d6f5ea81d39ea4588900b147b4890efa32d9c0d6d92d0cc2740d136fb.exe

  • Size

    932KB

  • MD5

    1db213df340e2fadf2a36c6ddd31f2ec

  • SHA1

    f10891c0f9008bdd1978a214f9d76c895f156bbf

  • SHA256

    81aa5f2d6f5ea81d39ea4588900b147b4890efa32d9c0d6d92d0cc2740d136fb

  • SHA512

    49168b4f02bcd44f01844e68b25fb333c5263aca187c1630c3c329e902e3abd21d89ea9d5233340d3876a7df958d77527daa19a94b24004b8c9fd197e8b0180e

  • SSDEEP

    12288:uQ4DOHltXYiYTe/+h3p/ogPeHSA1Kz+EAeuOvth0IZfKErUkqo3KrTm:uQGOFtYpTw+1prwVeuCD9KEolokTm

Score
10/10
fatalratdiscoveryinfostealerrat

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

    infostealerratfatalrat
  • Fatal Rat payload 1 IoCs
    ratinfostealer
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81aa5f2d6f5ea81d39ea4588900b147b4890efa32d9c0d6d92d0cc2740d136fb.exe
    "C:\Users\Admin\AppData\Local\Temp\81aa5f2d6f5ea81d39ea4588900b147b4890efa32d9c0d6d92d0cc2740d136fb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Public\Documents\t\spolsvt.exe
      C:\Users\Public\Documents\t\spolsvt.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Public\Documents\t\spolsvt.exe
    Filesize

    16KB

    MD5

    cdce4713e784ae069d73723034a957ff

    SHA1

    9a393a6bab6568f1a774fb753353223f11367e09

    SHA256

    b29e48102ecb3d3614e8980a8b8cc63dd2b993c6346f466479244ec2b47b69d8

    SHA512

    0a3a59a305cc2a6fad4e1315b0bcc5a4129595dfe1e8b703363fa02528d2d7c48d3fd22d365708be84a5557cf1916873df9563c454732f93f94a66e7e3b9fb0f

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  • memory/4976-10-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

    Download

  • memory/4976-6-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

    Download

  • memory/4976-5-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

    Download

  • memory/4976-11-0x0000000010000000-0x000000001002A000-memory.dmp

    Filesize

    168KB

    Download

  • memory/4976-4-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

    Download